Bodecs Bela (2018-03-11): > I frequently use overlay video filter. Sometimes it is needed to dinamically > hide/show the ovelaid video. (e.g during live streaming). > Currently the only possibility to hide the overlaid video is to position it > to off site area of the visible region. > This patch creates a new, explicit property to controll hiding/showing the > overlaid video. > 'show' property may be an expression, similary to x and y. > The new 'show' property is controlable by command, also. So its value can be > adjusted dinamically during live sessions by zmq filters. > To be compatible with existing stuff, its default value is "1". > > Please review this patch and consider putting this patch into the official > ffmpeg source tree.
Looks like a duplicate of the timeline editing feature, already supported by overlay. Regards, -- Nicolas George
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